Home battery installers in Sammamish, WA

Up to $10,000 in rebates from 2 programs. 7 licensed installers based in Sammamish.

What it really costs in Sammamish

A typical tesla powerwall 3 (13.5 kwh), installed costs $14,500 installed. Most jobs land between $11,500 and $18,500 (one powerwall 3 (13.5 kwh, integrated hybrid inverter), backup gateway/backup switch, wiring, mounting, permit, interconnection paperwork, commissioning. expansion units extra (~$6,000 each). excludes main-panel or service upgrade (+$3,000-$5,000 where needed) and solar.). With the biggest rebate on offer here ($10,000), a typical job could cost you as little as $4,500.

Cost sources: EnergySage - Tesla Powerwall 3 review (typical installed ~ $13,473, ~ $998/kWh); EnergySage - 2026 cost of energy storage in New Jersey ($1,074/kWh; 13 kWh avg $13,963, range $11,869-$16,057); EnergySage - 2026 cost of energy storage in Connecticut ($1,167/kWh). Rebates come with conditions (equipment, income, approved contractor), so check each program.

Home battery rebates in Sammamish

PSE Flex Batteries Enhanced Incentives (upfront battery cost)

Up to $10,000 toward the upfront cost of a new home battery. A second pathway pays up to $5,000 or 100% of eligible equipment and installation cost.

Limited funds Puget Sound Energy Not yet confirmed

Up to$10,000

PSE Flex Batteries (home battery demand response)

One-time enrollment incentive of $75/kWh of storage, up to $1,000 per battery, plus $0.50/kWh discharged during Flex events, up to $500 per battery per year

Open Puget Sound Energy Not yet confirmed

Up to$1,000